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Table 2 Model Fit Indices for 1 to 7 Classes of Parallel Latent Growth Model of PHQ-9 and GAD-7 Trajectories

From: Two-way messaging therapy for depression and anxiety: longitudinal response trajectories

  1-class 2-classes 3-classes 4-classes 5-classes 6-classes 7-classes
Akaike Information Criteria 346,037.34 330,711.31 327,235.57 325,672.71 324,545.30 323,369.51 322,410.85
Bayesian Information Criteria 346,153.81 330,936.98 327,512.20 326,000.30 324,923.84 323,799.02 322,891.31
Sample-Size Adjusted BIC 346,102.97 330,838.46 327,391.44 325,857.30 324,758.59 323,611.52 322,681.57
Entropy .79 .72 .71 0.67 .71 .71
Lo-Mendell-Rubin Adjusted LRT 15,030.40 3436.82 1552.94 1124.11 1171.74 957.91
P-value <.001 <.001 .018 <.001 <.001 .264
Bootsrapped LRT P-value <.001 <.001 <.001 <.001 <.001 <.001